Vaping vs. Smoking: Is One Really Safer Than the Other? When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Secondhand vape plumes could form lung damaging radicals American Chemical Society Differing Opinions About Second Hand Vape Exposure Vaping Post Can you get second hand smoke from a vape